Relaxation Tribometry: A Generic Method to Identify the Nature of Contact ForcesRecent years have witnessed the development of so-called relaxation tribometers, the free oscillation of which is altered by the presence of frictional stresses within the contact. So far, analysis…Alain Le Bot, Julien Scheibert, Artem Vasko et al.·Apr 29, 2019SaveLearn
Statistics of the separation between sliding rigid rough surfaces: Simulations and extreme value theory approachWhen a rigid rough solid slides on a rigid rough surface, it experiences a random motion in the direction normal to the average contact plane. Here, through simulations of the separation at…Nicolas Ponthus, Julien Scheibert, Kjetil Thøgersen et al.·Apr 29, 2019SaveLearn
Anisotropic Two-Dimensional, Plane Strain, and Plane Stress Models in Classical Linear Elasticity and Bond-Based PeridynamicsThis paper concerns anisotropic two-dimensional and planar elasticity models within the frameworks of classical linear elasticity and the bond-based peridynamic theory of solid mechanics. We begin by…Jeremy Trageser, Pablo Seleson·Apr 26, 2019SaveLearn
The Stationary Worldlines and Power Distributions of a Point ChargeThe uniform acceleration of a point charge moving along a stationary worldline, which emits constant radiated power was investigated. A classification of motion of a particle along stationary…Maksat Temirkhan·Apr 26, 2019SaveLearn
Experimental demonstration of asymmetric diffraction based on a passive parity-time-symmetric acoustic gratingPassive parity-time-symmetric medium provides a feasible scheme to investigate non-Hermitian systems experimentally. Here, we design a passive PT-symmetric acoustic grating with a period equal to…Yuzhen Yang, Han Jia, Yafeng Bi et al.·Apr 26, 2019SaveLearn
Seismic wave shield using cubic arrays of split-ball resonatorsMetre size inertial resonators located in the ground have been theoretically shown to interact with a seismic wave (attenuation, band gaps) to enable protection of surface structures such as…Bogdan Ungureanu, Younes Achaoui, Stephane Brule et al.·Apr 22, 2019SaveLearn
The Effect of Inhomogeneous Dielectric Loading on Transmission Through a Slot in an Infinite Thick Metallic ShieldTransmission through a slot in a an infinite metallic shield of finite thickness, inhomogeneously loaded with dielectric material, is modeled using an analytical approximation based on the slot being…Abdulaziz H. Haddab, Edward F. Kuester·Apr 20, 2019SaveLearn
Necessary criterion of choosing the energy-momentum tensor and the Lagrange formalismIt is shown that the necessary criterion for choosing the energy-momentum tensor of a physical system is the form of its linear invariant, which should be the lagrangian of this physical system.…Yurii A. Spirichev·Apr 19, 2019SaveLearn
Comment on "The relativistic Doppler effect: when a zero-frequency ..."In the paper "The relativistic Doppler effect: when a zero-frequency shift or a red shift exists for sources approaching the observer, Ann. Phys. (Berlin) 523, No. 3, 239-246 (2011), DOI…Zoran Basrak·Apr 19, 2019SaveLearn
Updating Maxwell with Electrons, Charge, and More Realistic PolarizationMaxwell's equations describe the relation of charge and electric force almost perfectly even though electrons and permanent charge were not in his equations, as he wrote them. For Maxwell, all…Robert S. Eisenberg·Apr 18, 2019SaveLearn
High-frequency electromagnetic emission from non-local wavefunctionsIn systems with non-local potentials or other kinds of non-locality, the Landauer-Büttiker formula of quantum transport leads to replace the usual gauge-invariant current density J with a…G. Modanese·Apr 17, 2019SaveLearn
An asymptotic hyperbolic-elliptic model for flexural-seismic metasurfacesWe consider a periodic array of resonators, formed from Euler-Bernoulli beams, attached to the surface of an elastic half-space. Earlier studies of such systems have concentrated on compressional…P. T. Wootton, J. Kaplunov, D. J. Colquitt·Apr 14, 2019SaveLearn
How does a coin toss? A look under an asymptotic microscopeIs flipping a coin a deterministic process or a random one? We do not allow bounces. If we know the initial velocity and the spin given to the coin, mechanics should predict the face it lands on.…Jithin D. George·Apr 12, 2019SaveLearn
Effects of vorticity on the travelling waves of some shallow water two-component systemsIn the present study we consider three two-component (integrable and non-integrable) systems which describe the propagation of shallow water waves on a constant shear current. Namely, we consider the…Denys Dutykh, Delia Ionescu-Kruse·Apr 12, 2019SaveLearn
The Electrodynamics of Free and Bound Charge Electricity Generators using Impressed Sources and the Modification to Maxwell's EquationsThe conversion of external energy into electricity is the foundation of power station and energy harvesting operation. The external source supplies an impressed force per unit charge to free or bound…Michael E. Tobar, Ben T. McAllister, Maxim Goryachev·Apr 10, 2019SaveLearn
Determination of Power of Groove fields under Dirichlet conditions associated with axisymmetric Electromagnetic fieldsThe present paper gives an interaction of electromagnetic waves with a smooth convex tri-angular obstacle and its adjacent wedge regions. We attempt to find the power of groove fields under Dirichlet…Sanjay Kumar, Rakhi Tiwari·Apr 8, 2019SaveLearn
Reconciliation of the Rosen and Laue theories of special relativity in a linear dielectric mediumThe theory of dielectric special relativity was derived by Laue from a fundamental physical basis in Einstein's special relativity and the relativistic velocity sum rule. The Laue theory is…Michael E. Crenshaw·Apr 8, 2019SaveLearn
Representation Independent Boundary Conditions for a Piecewise-Homogeneous Linear Magneto-dielectric MediumAt a boundary between two transparent, linear, isotropic, homogeneous materials, derivations of the electromagnetic boundary conditions and the Fresnel relations typically proceed from the Minkowski…Michael E. Crenshaw·Apr 8, 2019SaveLearn
The influence of building interactions on seismic and elastic surface wavesWe outline some recent research advances on the control of elastic waves in thin and thick plates, that have occurred since the large scale experiment [Phys. Rev. Lett. 112, 133901, 2014] that…Bogdan Ungureanu, Sébastien Guenneau, Younes Achaoui et al.·Apr 8, 2019SaveLearn
Chiral Balls: Knotted Structures with Both Chirality and Three-dimensional Rotational SymmetryKnots have been put forward to explain various physical phenomena because of their topological stability. Nevertheless, few works have reported on the exotic symmetry properties that certain knots…Wending Mai, Chunxu Mao, Lei Kang et al.·Apr 6, 2019SaveLearn
Slow sound laser in lined flow ductsWe consider the propagation of sound in a waveguide with an impedance wall. In the low frequency regime, the first effect of the impedance is to decrease the propagation speed of acoustic waves.…Antonin Coutant, Yves Aurégan, Vincent Pagneux·Apr 5, 2019SaveLearn
Flat Lensing by Graded Line Meta-arraysMotivated by flat lensing effects, now commonplace utilising negative refraction with finite slabs, we create negative refraction upon a graded line-array. We do so in the setting of flexural waves…Gregory J. Chaplain, Richard V. Craster·Apr 5, 2019SaveLearn
Multi-stability in Doubochinski's PendulumThe widespread phenomena of multistability is a problem involving rich dynamics to be explored. In this paper, we study the multistability of a generalized nonlinear forcing oscillator excited by…Yao Luo, Wenkai Fan, Chenghao Feng et al.·Apr 5, 2019SaveLearn
Space-Time Phononic Crystals with Anomalous Topological Edge StatesIt is well known that an interface created by two topologically distinct structures could host nontrivial edge states that are immune to defects. In this letter, we introduce a one-dimensional…Mourad Oudich, Yuanchen Deng, Molei Tao et al.·Apr 4, 2019SaveLearn
Four-dimensional reflection groups and electrostaticsWe present a new class of electrostatics problems that are exactly solvable by adding finitely many image charges. Given a charge at some location inside a cavity bounded by up to four conducting…Maxim Olshanii, Yuri Styrkas, Dmitry Yampolsky et al.·Apr 4, 2019SaveLearn